Global Patent Index - EP 1148251 A3

EP 1148251 A3 20040121 - Pressure control valve

Title (en)

Pressure control valve

Title (de)

Drucksteuerventil

Title (fr)

Soupape de commande de pression

Publication

EP 1148251 A3 20040121 (DE)

Application

EP 01101271 A 20010119

Priority

DE 10019254 A 20000418

Abstract (en)

[origin: EP1148251A2] A first piston valve (1) fits between a first compressive space (6) connected to an operating pipe (A,B) and a second compressive space (7) adjacent to the first piston valve compressed against a buffer (3) by a prestress spring. A throttle (8) connects first and second compressive spaces to each other. The second compressive space connects to a second piston valve (11) prestressed by a second prestress spring (17).

IPC 1-7

F15B 11/028; F15B 13/043; F16K 17/10; F16K 31/42; G05D 16/20; G05D 7/00

IPC 8 full level

F15B 11/028 (2006.01); G05D 16/20 (2006.01)

CPC (source: EP US)

F15B 11/028 (2013.01 - EP US); G05D 16/2024 (2018.12 - EP US); G05D 16/2097 (2018.12 - EP US); F15B 2211/30525 (2013.01 - EP US); F15B 2211/329 (2013.01 - EP US); F15B 2211/365 (2013.01 - EP US); F15B 2211/6055 (2013.01 - EP US); Y10T 137/2572 (2015.04 - EP US); Y10T 137/2605 (2015.04 - EP US); Y10T 137/2635 (2015.04 - EP US); Y10T 137/7762 (2015.04 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1148251 A2 20011024; EP 1148251 A3 20040121; EP 1148251 B1 20051116; DE 10019254 A1 20011031; DE 10019254 C2 20020425; DE 50108054 D1 20051222; US 2002011269 A1 20020131; US 6601602 B2 20030805

DOCDB simple family (application)

EP 01101271 A 20010119; DE 10019254 A 20000418; DE 50108054 T 20010119; US 83778901 A 20010418